[compiler] Fix visitors to emit the correct kind

Our passes aren't sequenced such that we could observe this bug, but this retains the proper terminal kind for pruned-scopes in mapTerminalSuccessors.

ghstack-source-id: 1a03b40e45649bbef7d6db968fb2dbd6261a246a
Pull Request resolved: https://github.com/facebook/react/pull/29884